package exception;

public class Person {
    private int  age;

    public Person() {
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) throws IllegalAgeException{ // throws表示通知外界有异常
        if (age <0 || age >100){
           // throw new RuntimeException("年龄不合法");
            throw new IllegalAgeException("年龄不合法");// throw 表示扔的动作
        }
        this.age = age;
    }
}
